AIR CONDITIONER

An air conditioner is disclosed. The air conditioner includes a case including an inlet and an outlet formed therein, a blowing fan disposed in the case to blow air from the inlet to the outlet, a heat exchanger disposed in the case to exchange heat with air flowing in the case, a drain pan disposed below the heat exchanger to collect condensed water falling down from the heat exchanger, and a drain pump disposed on one side of the drain pan to discharge condensed water collected in the drain pan to the outside of the case. When the level of the condensed water reaches the reference level, the drain pump is turned on.